18335395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 25038720

約数和(自身を除く): 6703325

約数列:

[1, 5, 13, 29, 65, 71, 137, 145, 355, 377, 685, 923, 1781, 1885, 2059, 3973, 4615, 8905, 9727, 10295, 19865, 26767, 48635, 51649, 126451, 133835, 258245, 282083, 632255, 1410415, 3667079, 18335395]

約数ペア:

[(1, 18335395), (5, 3667079), (13, 1410415), (29, 632255), (65, 282083), (71, 258245), (137, 133835), (145, 126451), (355, 51649), (377, 48635), (685, 26767), (923, 19865), (1781, 10295), (1885, 9727), (2059, 8905), (3973, 4615)]